PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2017/09/30-22:12:50 G08 319.9 11.7 10.6 +/- 5.07 28.6 +/- 5.07 0.070 / 0.040 G10 303.5 53.4 11.7 +/- 0.87 14.2 +/- 0.87 0.060 / 0.040 G14 211.5 17.6 17.3 +/- 2.00 40.4 +/- 2.00 0.030 / 0.030 G15 45.6 24.1 13.1 +/- 2.00 26.1 +/- 2.00 0.030 / 0.030 G18 9.3 64.9 13.1 +/- 0.77 14.3 +/- 0.77 0.090 / 0.110 G20 74.8 14.9 12.5 +/- 1.49 31.1 +/- 1.49 0.090 / 0.110 G21 111.4 69.1 16.3 +/- 0.39 17.4 +/- 0.39 0.080 / 0.090 G24 93.9 28.2 15.4 +/- 1.44 28.1 +/- 1.44 0.090 / 0.080 G27 293.3 36.8 14.2 +/- 2.89 21.8 +/- 2.89 0.110 / 0.320 G32 213.6 33.5 15.2 +/- 1.86 24.8 +/- 1.86 0.100 / 0.350